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<html lang="zh-CN">
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    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      body {
        margin: 0;
        height: 100vh;
        background-color: rgb(251, 238, 222);
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      .flex {
        display: flex;
        flex-direction: column;
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      .riqilan {
        padding: 40px;
        flex-direction: row;
        background-color: rgba(223, 240, 37, 0.847);
        margin: 20px;
        width: 45px;
        justify-self: center;
        text-align: center;
      }
    </style>
  </head>

  <body class="flex">
    <!-- 标题栏 -->
    <div
      style="
        background-color: rgba(77, 226, 117, 0.682);
        height: 100px;
        font-size: 60px;
        text-align: center;
        padding: 20px;
      "
    >
      <h>
        <b>My Web Site😁</b>
      </h>
    </div>

    <!-- 日期栏(主体) -->
    <div class="riqilan" ; style="height: 43px">
      <p><a href="branch.html">7.5</a></p>
    </div>
    <div>
      <p class="riqilan" ;>7.6</p>
    </div>
    <div>
      <p class="riqilan" ;><a href="7.7.html">7.7</a></p>
    </div>
  </body>
</html>